Merge pull request #272 from hcpl/tuple-support
Support tuple Serde types for `Value`
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commit
2623d4c60d
63
src/value.rs
63
src/value.rs
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@ -675,9 +675,9 @@ impl ser::Serializer for Serializer {
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type Error = ::ser::Error;
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type SerializeSeq = SerializeVec;
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type SerializeTuple = ser::Impossible<Value, ::ser::Error>;
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type SerializeTupleStruct = ser::Impossible<Value, ::ser::Error>;
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type SerializeTupleVariant = ser::Impossible<Value, ::ser::Error>;
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type SerializeTuple = SerializeVec;
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type SerializeTupleStruct = SerializeVec;
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type SerializeTupleVariant = SerializeVec;
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type SerializeMap = SerializeMap;
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type SerializeStruct = SerializeMap;
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type SerializeStructVariant = ser::Impossible<Value, ::ser::Error>;
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@ -800,23 +800,23 @@ impl ser::Serializer for Serializer {
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})
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}
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fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, ::ser::Error> {
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Err(::ser::Error::UnsupportedType)
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fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, ::ser::Error> {
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self.serialize_seq(Some(len))
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}
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fn serialize_tuple_struct(self, _name: &'static str, _len: usize)
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fn serialize_tuple_struct(self, _name: &'static str, len: usize)
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-> Result<Self::SerializeTupleStruct, ::ser::Error> {
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Err(::ser::Error::UnsupportedType)
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self.serialize_seq(Some(len))
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}
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fn serialize_tuple_variant(self,
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_name: &'static str,
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_variant_index: u32,
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_variant: &'static str,
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_len: usize)
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len: usize)
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-> Result<Self::SerializeTupleVariant, ::ser::Error>
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{
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Err(::ser::Error::UnsupportedType)
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self.serialize_seq(Some(len))
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}
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fn serialize_map(self, _len: Option<usize>)
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@ -869,6 +869,51 @@ impl ser::SerializeSeq for SerializeVec {
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}
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}
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impl ser::SerializeTuple for SerializeVec {
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type Ok = Value;
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type Error = ::ser::Error;
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fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), ::ser::Error>
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where T: ser::Serialize
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{
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ser::SerializeSeq::serialize_element(self, value)
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}
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fn end(self) -> Result<Value, ::ser::Error> {
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ser::SerializeSeq::end(self)
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}
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}
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impl ser::SerializeTupleStruct for SerializeVec {
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type Ok = Value;
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type Error = ::ser::Error;
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fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), ::ser::Error>
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where T: ser::Serialize
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{
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ser::SerializeSeq::serialize_element(self, value)
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}
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fn end(self) -> Result<Value, ::ser::Error> {
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ser::SerializeSeq::end(self)
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}
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}
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impl ser::SerializeTupleVariant for SerializeVec {
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type Ok = Value;
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type Error = ::ser::Error;
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fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), ::ser::Error>
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where T: ser::Serialize
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{
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ser::SerializeSeq::serialize_element(self, value)
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}
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fn end(self) -> Result<Value, ::ser::Error> {
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ser::SerializeSeq::end(self)
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}
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}
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impl ser::SerializeMap for SerializeMap {
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type Ok = Value;
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type Error = ::ser::Error;
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@ -580,15 +580,63 @@ fn table_structs_empty() {
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#[test]
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fn fixed_size_array() {
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#[derive(Serialize, PartialEq, Eq, Deserialize, Debug)]
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#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
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struct Entity {
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pos: [i32; 2]
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}
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let text = "pos = [1, 2]\n";
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let value: Entity = toml::from_str(text).unwrap();
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let expected = Entity { pos: [1, 2] };
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assert_eq!(value, expected);
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assert_eq!(toml::to_string(&value).unwrap(), text);
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equivalent! {
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Entity { pos: [1, 2] },
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Table(map! {
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pos: Array(vec![
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Integer(1),
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Integer(2),
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])
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}),
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}
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}
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#[test]
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fn homogeneous_tuple() {
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#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
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struct Collection {
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elems: (i64, i64, i64),
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}
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equivalent! {
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Collection { elems: (0, 1, 2) },
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Table(map! {
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elems: Array(vec![
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Integer(0),
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Integer(1),
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Integer(2),
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])
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}),
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}
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}
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#[test]
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fn homogeneous_tuple_struct() {
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#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
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struct Object(Vec<String>, Vec<String>, Vec<String>);
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equivalent! {
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map! {
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obj: Object(vec!["foo".to_string()], vec![], vec!["bar".to_string(), "baz".to_string()])
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},
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Table(map! {
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obj: Array(vec![
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Array(vec![
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Value::String("foo".to_string()),
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]),
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Array(vec![]),
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Array(vec![
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Value::String("bar".to_string()),
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Value::String("baz".to_string()),
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]),
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])
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}),
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}
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}
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#[test]
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